BROOKLYN, NY - JANUARY 22:  The logo on Pfizer's oldest production plant founded in 1849 hangs at its corner January 22, 2007 in Brooklyn, New York. Pfizer, the world's largest pharmaceutical company, announced today that they will be laying off 10,000 workers and closing several facilities, including their Ann Arbor, Michigan Global Research and Development facility and also their Brooklyn plant in an effort to cut costs. Getty Images logo Getty Images 61 months ago

BROOKLYN, NY - JANUARY 22: The logo on Pfizer's oldest production plant founded in 1849 hangs at its corner January 22, 2007 in Brooklyn, New York. Pfizer, the world's largest pharmaceutical company, announced today that they will be laying off 10,000 workers and closing several facilities, including their Ann Arbor, Michigan Global Research and Development facility and also their Brooklyn plant in an effort to cut costs.